ci: drop manual eggs installation

.gitea/workflows/build.yaml

@@ -57,20 +57,9 @@ jobs:
           hash -r
           csc -version
 
-      - name: Install eggs
-        run: |
-          set -eu
-          mkdir -p .eggs
-          repo="$(chicken-install -repository)"
-          echo "CHICKEN_INSTALL_REPOSITORY=${PWD}/.eggs" >> "$GITHUB_ENV"
-          echo "CHICKEN_REPOSITORY_PATH=${PWD}/.eggs:${repo}" >> "$GITHUB_ENV"
-          export CHICKEN_INSTALL_REPOSITORY="${PWD}/.eggs"
-          export CHICKEN_REPOSITORY_PATH="${PWD}/.eggs:${repo}"
-          # shellcheck disable=SC2046
-          chicken-install $(cat dependencies.txt)
-
+      # Eggs are pinned in eggs.lock and installed by the Makefile into .eggs/.
       - name: Build sexc
-        run: make sexc && ./sexc --help
+        run: make && ./sexc --help
 
       - name: Run tests
-        run: make run-tests
+        run: make check

Makefile

@@ -100,7 +100,7 @@ check-modules: sexc
 check-exit-code: sexc
 	@$(MAKE) --no-print-directory -C ./tests/exit-code check SEXC=../../sexc
 
-run-tests: sexc sex-tests sextest
+check run-tests: sexc sex-tests sextest
 	./sex-tests && ./sextest --sexc=./sexc $(SEX_TEST_PROGRAMS:%=./tests/sex-programs/%.sex) && $(MAKE) check-modules && $(MAKE) check-exit-code
 
 install: all installdirs
@@ -145,5 +145,6 @@ clean:
 deps-clean:
 	rm -rf $(EGGS_DIR)
 
-.PHONY: all check run-tests check-modules check-exit-code install install-strip installdirs
-	uninstall deps deps-update clean depsclean sex-tests sextest
+.PHONY: all check run-tests check-modules check-exit-code \
+        install install-strip installdirs uninstall \
+        deps deps-update deps-clean clean sex-tests sextest